CVE-2021-42538 Emerson WirelessHART Gateway
Attackers can execute arbitrary commands via parameter injection in the passphrase field of the Emerson WirelessHART Gateway.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-42538?
CVE-2021-42538 is a high-severity command injection vulnerability in Emerson WirelessHART Gateway, published on 22 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
Which versions are affected by CVE-2021-42538?
It affects 3 products.
Products include Emerson Wireless 1410 Gateway Firmware, Emerson Wireless 1410d Gateway Firmware, Emerson Wireless 1420 Gateway Firmware.
How do I fix CVE-2021-42538?
No fix has been published for CVE-2021-42538 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-42538 being exploited?
There is no known exploitation of CVE-2021-42538 in the wild and no public exploit code.
Other vulnerabilities in Emerson WirelessHART Gateway
Sources
Also known as GHSA-qj5v-xpm2-83w9.